9d62e703fe
It was reported that for VLAN interfaces, failing to release this reference
count will prevent a system from rebooting properly, resulting in the need to
power cycle.
Reported-by: Assen Totin
Internal-Issue-ID: DAHLIN-343
Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Signed-off-by: Russ Meyerriecks <rmeyerriecks@digium.com>
(cherry picked from commit e005030995)